public static ProjImage FromStream(Stream stream)
{
BinaryReader br = new BinaryReader(stream);
if (br.ReadUInt16() != FileHead)
{
throw new Exception("错误的文件格式");
}
if (br.ReadUInt32() != FileVersion)
{
throw new Exception("不支持的(老)文件版本");
}
string des = br.ReadString();
int count = br.ReadInt32();
ProjImage img = new ProjImage();
img.Description = des;
for (int i = 0; i < count; i++)
{
Proj p = new Proj();
p.ProjType = br.ReadInt32();
float a = br.ReadSingle();
float b = br.ReadSingle();
p.Location = new MPointF(a, b);
float c = br.ReadSingle();
float d = br.ReadSingle();
p.Speed = new MPointF(c, d);
img.Projs.Add(p);
}
return(img);
}
public void DrawImage(ProjImage image, MPointF location)
{
foreach (var proj in image.Projs)
{
var newImg = proj;
newImg.Location += location;
Projs.Add(newImg);
}
}
public static ProjImage FromImage(string file, int projType, int resolution)
{
Bitmap img = (Bitmap)Image.FromFile(file);
ProjImage proj = new ProjImage();
proj.Resolution = resolution;
for (int i = 0; i < img.Width; i++)
{
for (int j = 0; j < img.Height; j++)
{
if (img.GetPixel(i, j).A != 0)
{
Proj p = new Proj();
p.ProjType = projType;
p.Location = new MPointF(i * resolution, j * resolution);
proj.Projs.Add(p);
}
}
}
return(proj);
}
